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Two-input control with independent proportional and integral gains for velocity error and velocity feedforward including velocity command limiting

US 5,063,335 A · Assignee: Allen-Bradley Company, Inc. · Inventors: Baechtel; Donald F. et al.

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Why it's free to use

  • Filed September 11, 1990 and granted November 5, 1991. A patent filed before June 8, 1995 lasts 17 years from grant or 20 from filing, whichever is longer, so its term ended September 11, 2010.
  • Any extension is capped at five years, so it can't still be in force.
  • We haven't checked its US family, and a later related patent could still be in force. We check US rights only.
FiledSeptember 11, 1990
GrantedNovember 5, 1991
Term endedSeptember 11, 2010
Application number07/580708
Classification (CPC)G05B19/19 +2 more
Length8 pages

Timeline

Timeline From USPTO dates

1991199319951997199920012003200520072009Application filedSep 11, 1990Patent grantedNov 5, 1991Term endedSep 11, 2010

Sources & verification

Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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